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(LH) Lufthansa 7991 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
37
67%
Late
8
15%
Very Late
5
9%
Excessive
3
5%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
54
Total Delays ( > 1 min )
21
Codeshares
54
Average Delay (min.)
34.57142857142857
Standard Deviation
40.6
Min
0
Max
185

LH 7991 On-Time Performance Details

Overall Rating
1.3 of 5
Poor
Percentage On-Time 69%
Average Delay Time 34.57142857142857 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.3 shows that this flight has on-time performance characteristics better than 25% of all other flights in the FlightStats database.
On-Time Performance Rating
0.5 of 5
Very Poor
Percentage On-Time 69%
This flight has an on-time performance of 69%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 10% of other flights.
Delay Performance
2.1 of 5
Average
Average Delay Time 34.57142857142857 min
This flight has an average delay of 34.57142857142857 minutes with a standard deviation of 40.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.